Finding the Third Proportional to 75,991.50 and 130,389.75
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Solution
The third proportional to 75,991.50 and 130,389.75 is: 223,728.80
Step by Step Solution
- Step 1: Write the proportion equation
75,991.50 : 130,389.75 = 130,389.75 : x - Step 2: Convert to fraction form
75,991.50/130,389.75 = 130,389.75/x - Step 3: Cross multiply
75,991.50x = 130,389.75 × 130,389.75 - Step 4: Simplify right side
75,991.50x = 17,001,486,905.06 - Step 5: Solve for x
x = 17,001,486,905.06/75,991.50 - Step 6: Final answer
x = 223,728.80
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These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.